The Social and Environmental Effects of Large Dams, Volume 1Report on negative social implications and environmental damage caused by large dams - reviews problems before and after the flood, EG. Human settlement, cultural factors, nature conservation, erosion, effects of perennial irrigation on the spread of disease, destruction of fisherys, seisms, flood control, drainage, maintenance, management, loss of land to plantations, loss of water to urbanization and industrialization, water pollution etc.; includes case studies of effects of dams throughout the world. Bibliography. |
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Page 12
... groundwater resources . Recent years have thus seen a substantial increase in the number of wells sunk for irrigation purposes . The Chinese have sunk nearly a million wells in North China since the mid - fifties.30 In the 1960s and ...
... groundwater resources . Recent years have thus seen a substantial increase in the number of wells sunk for irrigation purposes . The Chinese have sunk nearly a million wells in North China since the mid - fifties.30 In the 1960s and ...
Page 135
... groundwater or is washed away into streams and rivers . It follows that all water , like all soil , contains traces of salt . Indeed , even a fresh mountain stream will contain up to 50 parts per million ( ppm ) of salt admittedly a ...
... groundwater or is washed away into streams and rivers . It follows that all water , like all soil , contains traces of salt . Indeed , even a fresh mountain stream will contain up to 50 parts per million ( ppm ) of salt admittedly a ...
Page 165
... groundwater . In an attempt to overcome that problem , tiled drains were installed underneath irrigated lands , the water being pumped from them into evaporation basins on the river flats . Those basins were not watertight , however ...
... groundwater . In an attempt to overcome that problem , tiled drains were installed underneath irrigated lands , the water being pumped from them into evaporation basins on the river flats . Those basins were not watertight , however ...
Contents
Chapter One The Overt Reasons for Building Dams | 4 |
Chapter Two Dams and Society The Problems of Resettlement 15 PHOTO | 15 |
Chapter Three Social and Cultural Destruction | 27 |
Copyright | |
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acres agricultural land argued Aswan Aswan Dam Aswan High Dam basins benefits Biswas building built canal Carl Widstrand caused cent Chagga Chapter construction cost crops cultivation deforestation disease dollars drainage earthquakes ecological economic Edward Goldsmith effects Egypt Environment Environmental erosion estimated evaporation farmers farming feddans fish flood control forest furrow Goodland groundwater hectares hydro-electric Ibid increase India industrial inevitably irrigation irrigation agriculture irrigation schemes irrigation system irrigation water Jonglei Canal Kariba Dam lake large dams large-scale water loss maintenance malaria McGuire Gibson ment Mesopotamia metres Moreover Nile op.cit organisation peasants perennial irrigation plans pollution problem production programme qanats Quoted region reservoir resettlement result river Rothé salinisation salinity salt schistosomiasis sedimentation seepage seismic silt social society soil Sonjo Sri Lanka tanks Third World tion traditional irrigation Valley village Volta Dam Washington D.C. water development schemes water projects Waterbury waterlogging wenamiji wildlife